Apple will talk about new iOS, OS X, watchOS and tvOS features in June

Will we also see the Apple Watch 2 debut?

Apple has announced the dates for its annual software extravaganza in June. Primarily aimed at developers, the five day World Wide Developer Conference (WWDC) begins with a keynote speech from Apple head Tim Cook.

That's the interesting part, because it's where Apple talks about what's upcoming for the software that powers its devices - expect it to take place at around 5 or 6pm BST (9 or 10am PST) on Monday 13 June.

Expect news on iOS 10, OS X 12 (who knows what the follow-up to El Capitan will be called, but it is codenamed OS X Fuji), tvOS and watchOS 3 at the event which takes place from 13-15 June in San Francisco.

Rumours persist that we'll also see the Apple Watch 2 debut at the event - likely to be quite a bit thinner than the existing model.

Apple marketing head Phil Schiller says that “WWDC 2016 is going to be a landmark event for developers who are coding in Swift, and building apps and products for iOS, OS X, watchOS and tvOS.”

Swift is a programming language that can be used across all Apple platforms, so it will be interesting to see what Schiller means by a 'landmark event' for developers using that system.

In its letter to developers, Apple says WWDC 2016 activities include:

over 1,000 Apple engineers supporting more than 150 hands-on labs and events to provide developers with code-level assistance, insight into optimal development techniques and guidance on how they can make the most of iOS, OS X, watchOS and tvOS technologies in their apps;

access to the latest innovations, features and capabilities of iOS, OS X, watchOS and tvOS, and best practices for enhancing an app's functionality, performance, quality and design;

the opportunity to connect with thousands of fellow iOS, OS X, watchOS and tvOS developers from around the world — last year, 80 percent of developers attended for their first time, and in total, more than 70 countries were represented;

a series of get-togethers for attendees focused on particular topics with special guest speakers and activities;

engaging and inspirational lunchtime sessions with trailblazers and influencers from the worlds of technology, science and entertainment; and